#![deny(missing_docs)]

use crate::log::{HtpLogCode, Log};

use std::{ffi::CString, os::raw::c_char};

/// Get the log's message string

///

/// Returns the log message as a cstring or NULL on error

/// The caller must free this result with htp_free_cstring

/// # Safety

/// When calling this method, you have to ensure that log is either properly initialized or NULL

#[no_mangle]

pub unsafe extern "C" fn htp_log_message(log: *const Log) -> *mut c_char {

    log.as_ref()

        .and_then(|log| CString::new(log.msg.msg.clone()).ok())

        .map(|msg| msg.into_raw())

        .unwrap_or(std::ptr::null_mut())

}

/// Get a log's message code

///

/// Returns a code or HTP_LOG_CODE_ERROR on error

/// # Safety

/// When calling this method, you have to ensure that log is either properly initialized or NULL

#[no_mangle]

pub unsafe extern "C" fn htp_log_code(log: *const Log) -> HtpLogCode {

    log.as_ref()

        .map(|log| log.msg.code)

        .unwrap_or(HtpLogCode::ERROR)

}

/// Free log

/// # Safety

/// This function is unsafe because improper use may lead to memory problems. For example, a double-free may occur if the function is called twice on the same raw pointer.

#[no_mangle]

pub unsafe extern "C" fn htp_log_free(log: *mut Log) {

    if !log.is_null() {

        drop(Box::from_raw(log));

    }

}